html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    padding: 15px;
    background: url(../assets/images/bg1.jpeg) center;
    background-size: cover;
}

.layui-card,
.layui-card-header,
.layui-input,
.mce-panel {
    background-color: transparent !important;
    color: #fff;
}

.layui-input::placeholder,
.layui-unselect {
    color: #333;
}

.layui-form-select dl {
    background-color: transparent;
    color: #333;
}

.layui-form-select dl dd:hover {
    background-color: rgba(255, 255, 255, .3);
}

/* 封面容器的样式 */
.cover-box {
    display: flex;
}

/* 左侧裁剪区域的样式 */
.cover-left {
    width: 400px;
    height: 280px;
    overflow: hidden;
    margin-right: 20px;
}

/* 右侧盒子的样式 */
.cover-right {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 预览区域的样式 */
.img-preview {
    width: 200px;
    height: 140px;
    background-color: #ccc;
    margin-bottom: 20px;
    overflow: hidden;
}